Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

Space: 1999 may have offered audiences a glimpse into the future, but its premise was rooted in the past — specifically, in a ...

Sugar Season 2 Episode 2 deepens Ji Moon's mystery with hospital clues, gang ties, and a brutal cliffhanger for John Sugar.

Sometimes the most extraordinary places hide in plain sight, and the Dee Wright Observatory near Blue River proves that ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Jellyfish have returned to the Gulf of Maine, and some can pack a nasty sting. The large lion's mane jellyfish has been seen in the waters of New Hampshire and can wash up on the shore. "They're very ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Could microbes from Earth survive on other worlds? New research suggests that the answer may be yes. Ph.D. candidate Tommaso ...

A provocative study suggests that Jupiter’s frozen moon Europa may not only be hospitable, but that life from Earth could be ...